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. 2015 Dec 15;5:18147. doi: 10.1038/srep18147

Figure 1. Neighbor-joining tree analysis of HIV-1 nucleotide sequences of the 1.1-kb pro-RT regions obtained from MSM in 11 cities in China.

Figure 1

Neighbor-joining tree analysis of HIV-1 nucleotide sequences of the 1.1-kb pro-RT region (HXB2: 2253–3318nt) (n = 19) (A) and of NLFG sequences (HXB2: 790–9600 nt) (n = 6) (B) of CRF55_01B samples from MSM in various regions of China. The sequences were compared with representative CRF55_01B sequences published previously as well as all of the known subtypes/subsubtypes and CRFs reference sequences relevant to this study (http://www.hiv.lanl.gov/content/index). The sequences identified in different regions were shown with markers as follows: Anhui, the black rectangle; Jiangsu, black lower triangle; Hunan, black circle; Shandong, black upper triangle; Yunnan, the open rectangle; Henan, open lower triangle; Guangdong, black circle; The subtype reference sequences and previously published CRF55_01B sequences were shown with sequences ID.